/*
 * Tencent is pleased to support the open source community by making BK-CI 蓝鲸持续集成平台 available.
 *
 * Copyright (C) 2021 THL A29 Limited, a Tencent company.  All rights reserved.
 *
 * BK-CI 蓝鲸持续集成平台 is licensed under the MIT license.
 *
 * A copy of the MIT License is included in this file.
 *
 *
 * Terms of the MIT License:
 * ---------------------------------------------------
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of
 * the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.tencent.bkrepo.replication.util

import org.springframework.util.FileCopyUtils
import org.springframework.web.multipart.MultipartFile
import java.io.File
import java.io.InputStream
import java.nio.file.Files

/**
 * 基于InputStream的multipart file实现
 */
class InputStreamMultipartFile(
    private val inputStream: InputStream,
    private val size: Long,
    private val name: String = "file",
    private val originalFilename: String = ""
) : MultipartFile {
    override fun getInputStream(): InputStream {
        return inputStream
    }

    override fun getName(): String {
        return name
    }

    override fun getOriginalFilename(): String {
        return originalFilename
    }

    override fun getContentType(): String? {
        return null
    }

    override fun isEmpty(): Boolean {
        return size == 0L
    }

    override fun getSize(): Long {
        return size
    }

    override fun getBytes(): ByteArray {
        return inputStream.readBytes()
    }

    override fun transferTo(dest: File) {
        FileCopyUtils.copy(inputStream, Files.newOutputStream(dest.toPath()))
    }
}
